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| author |   Robin van der Gracht <robin@protonic.nl> | 2021-01-18 13:35:36 +0100 |
|---|---|---|
| committer |   Miguel Ojeda <ojeda@kernel.org> | 2021-01-25 22:14:19 +0100 |
| commit | 164b67705681ed90c056529743b507229ae613a1 (patch) | |
| tree | 58ff7d09161951c904aa21b0421ed835f9e06f48 /Documentation/devicetree/bindings/display/ht16k33.txt | |
| parent | Linux 5.11-rc5 (diff) | |
| download | linux-dev-164b67705681ed90c056529743b507229ae613a1.tar.xz linux-dev-164b67705681ed90c056529743b507229ae613a1.zip | |
dt-bindings: auxdisplay: ht16k33: Keyscan function should be optional
Keyscan should be optional to support simple LED matrix displays (output
only).
Reported-by: Michael Kaplan <M.KAPLAN@evva.com>
Signed-off-by: Robin van der Gracht <robin@protonic.nl>
[geert: Rebased]
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Robin van der Gracht <robin@protonic.nl>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/display/ht16k33.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/display/ht16k33.txt | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/display/ht16k33.txt b/Documentation/devicetree/bindings/display/ht16k33.txt index d5a8b070b467..3d602f5b9eb6 100644 --- a/Documentation/devicetree/bindings/display/ht16k33.txt +++ b/Documentation/devicetree/bindings/display/ht16k33.txt @@ -4,16 +4,19 @@ Holtek ht16k33 RAM mapping 16*8 LED controller driver with keyscan Required properties: - compatible: "holtek,ht16k33" - reg: I2C slave address of the chip. -- interrupts: Interrupt specification for the key pressed interrupt. - refresh-rate-hz: Display update interval in HZ. -- debounce-delay-ms: Debouncing interval time in milliseconds. -- linux,keymap: The keymap for keys as described in the binding - document (devicetree/bindings/input/matrix-keymap.txt). Optional properties: - linux,no-autorepeat: Disable keyrepeat. - default-brightness-level: Initial brightness level [0-15] (default: 15). +- Keypad + Supply the 'interrupts' property to enable the keyscan feature. + - interrupts: Interrupt specification for the key pressed interrupt. + - debounce-delay-ms: Debouncing interval time in milliseconds. + - linux,keymap: The keymap for keys as described in the binding + document (devicetree/bindings/input/matrix-keymap.txt). + Example: &i2c1 { |